The following is a list of episodes for Men in Black: The Series. The show ran for four seasons between 1997 and 2001, and aired 53 episodes.

Season 1

# Title Writer(s) Director Original airdate Code
01 "The Long Goodbye Syndrome" Duane Capizzi Frank Paur October 11, 1997 01
On a mission to help stop a Skraaldian multiplication in a sewer, there was a struggle against one. J fires a Noisy Cricket at it, blowing it up. Now, he's a wanted target for every other Skraaldian on their home planet, Skraal. And since the Skraaldians have a hive mentality and are locked on to his DNA, It won't be easy for J to escape. Only K can get him out of it. But will he in time? And why does nobody seem worried?

02 "The Buzzard Syndrome" Steve Roberts Nathan Chew October 18, 1997 02
Jay and Kay investigate a crashed alien ship in the woods. Soon they encounter Treblor, an alien cop from the Zombarian Retrieval Department. Treblor claims that the owner of the crashed ship is a dangerous fugitive named Z-Ron. While Jay goes out ahead to capture Z-Ron, Kay learns that "Treblor" isn't who he says he is.

03 "The Irritable Bow-Wow Syndrome" Mark Amato Frank Paur October 25, 1997 03
Agents J and K investigate a Charnock landing site at a farm. Their only clue is a skin. After Jeebs and Frank argue at Jeebs' pawnshop, the real Charnock appears disguised as a fat, grumpy man. Jeebs shows him the Void Density Core, which is like a miniature black hole, sucking anything within a three-mile radius. He tells him that it isn't for sale, but he doesn't listen. He threatens to activate the core but Jeebs knocks it out of his hand. Frank puts the core in his mouth to carry it. But, out of shock, he accidentally swallows it! Now the Charnock is after him! Can J and K save Frank from getting "sucked inside myself!"?

04 "The Alpha Syndrome" Alexx Van Dyne Michael Goguen November 1, 1997 04
Investigating the theft of a Sintillian heart, Kay learns the culprit is Alpha, his former mentor, who stole a Verulian Cosmic Integrator and left Kay for dead years ago. But Jay and Kay discover that Alpha now has multiple alien body parts grafted onto his body, becoming even more dangerous.

05 "The Undercover Syndrome" Steve Roberts Dennis Woodyard November 8, 1997 05
Jay goes undercover as a Tarkan bodyguard at an alien conference to protect Dirndl, Trade Minister of Tarka, from an alien assassin. But with two dozen alien races present, it's like looking for a needle in a haystack.

06 "The Neuralyzer Syndrome" Mark Amato Dennis Woodyard November 15, 1997 06
J wants to know more about K. But K doesn't want J to know much. A pair of alien war-profiteers named the "Chop-Shoppers," who steal flying machines and sell them to black markets, appear and attempt to steal a spacecraft disguised as a Dry-cleaning store. J is distracted by an old friend from his pre-MIB life, but after the reunion was broke up by K's neuralyzer, he drops it. J picks it up. As they go after the Chop-Shoppers, K says, "You can't go home again." They fail to catch the Chop-Shoppers. Then, while not paying attention, J neuralyzes K to the age of sixteen! With K's memory gone, how will he and J stop the Chop-Shoppers?

Note: This episode is no longer shown in America due to an alien ship disguised as a blimp almost crashing into the World Trade Center.

07 "The Symbiote Syndrome" Alexx Van Dyne Nathan Chew November 22, 1997 07
When Kay is infected with Millicrons, Jay takes his place on an assignment to transport a teenaged symbiote named Troy to New York City. He has to do it within twenty hours, or be permanently absorbed by Troy. But Buzzard returns and is looking to capture the symbiote for his mysterious boss.

08 "The Inanimate Syndrome" Thomas Pugsley
Greg Klein
Michael Goguen December 6, 1997 08
An Ananamouth, an Inanimate, a shapeshifter capable of disguising itself as inanimate objects, escapes from prison to Earth. But the MIB get some help from Eileen, an intergalactic cop that stirs up some old feelings for Kay.

09 "The Psychic Link Syndrome" Steve Roberts Nathan Chew December 13, 1997 09
An insane Alcidian named Forbus is hunting humans, draining them of their bodily fluids. But during the pursuit, Forbus forms a psychic link with Kay, making him feel whatever he feels.

10 "The Head Trip Syndrome" Thomas Pugsley
Greg Klein
Michael Goguen December 20, 1997 12
Jay mistakes a Cerebro-Accelerator for a pair of head phones, making him the smartest man on Earth. However, this will also cause his brain to explode in twenty-two hours. But his advanced brain is MIB's only hope when alien hating bigot Moffat uses time travel to erase the five founders of MIB from existence.

11 "The Elle of My Dreams Syndrome" Greg Weisman Frank Paur January 10, 1998 10
Alien dream-eaters known as the Vermax attack the crew of a returning NASA space shuttle. When Jay, Kay and Elle arrive at the landing sight, a Vermax attaches itself to Jay and sends him into a deep sleep. Elle enters Jay's dreams to get him to wake up and remove the Vermax.

12 "The I Married an Alien Syndrome" Steve Roberts Dennis Woodyard February 14, 1998 13
The Blastula are increasing the temperature on Earth in their plot to colonize the planet. Meanwhile, Jay believes that Kay may be an alien spy for the Blastula.

13 "The Take No Prisoners Syndrome" Dean Stefan Greg Klein May 16, 1998 11
Dr. Lupo and other inmates of MIB's prison ward manage to break out and incapacitate most of MIB. Only Jay and the worms can safe the day.

Season 2

# Title Writer(s) Director Original airdate Code
14 "The Little Big Man Syndrome" Thomas Pugsley
Greg Klein]]
Nathan Chew September 19, 1998 15
The Fmeks are stealing exosuits human form of his enemies, the Arquilians. J gets shrunk down to their tiny size to find out what the Snecks are up to

15 "The Quick Clone Syndrome" Duane Capizzi Mike Goguen September 26, 1998 14
Agent J is working long hours. He wants some rest. When he noticed an Agent L quick clone, he asks L to launch him some. L is reluctant at first, but then she decides three and only three. Alpha's latest scheme - using his own J lookalike to steal Zed's brain - complicates matters.

16 "The Heads You Lose Syndrome" Alexx Van Dyne Chris Dozois October 3, 1998 16
Alpha is back and his alien attachments are falling apart. At first, he forces Jeebs to locate new body parts for him, but when he discovers that Troy the symbiote is at MIB, his plans change.

17 "The Dog Eat Dog Syndrome" Steve Roberts Nathan Chew October 10, 1998 17
Drekk, an old friend of Frank the Pug, is running loose on Earth. And Frank faces getting boiled alive if he helps Jay and Kay apprehend him.

18 "The Big Bad Bug Syndrome" Greg Weisman Christopher Dozois October 24, 1998 18
The Queen of the Bugs puts out a bounty on the MIB agent responsible for the demise of dearly-departed Edgar. Now Elle must escape from some nasty Bugs - including Edgar's brother, Edwin - looking to collect the reward.

19 "The Jack O'Lantern Syndrome" Robin Jill Burger Michael Goguen October 31, 1998 19
It's Halloween night and trick-or-treating with the worms gets dangerous when Jay comes across an alien that kidnaps children.

20 "The Sonic Boom Syndrome" Steve Roberts Nathan Chew November 7, 1998 20
A sonic powered alien named Aldoosi escapes from Eileen and her new partner, Eidi. To track this fugitive down, Kay works with Eileen and Jay works with Eidi.

21 "The Bad Seed Syndrome" Alexx Van Dyne Christopher Dozois November 14, 1998 21
Parasites spread by alien seeds take over MIB and threaten the world. As the remaining agents try to stop it, Jay can't keep his mouth shut since he's accidentally been given a truth serum.

22 "The Fmall, Fmall World Syndrome" Duane Capizzi Michael Goguen November 21, 1998 22
Preparing to conquer Earth, the Fmeks break into MIB to get their tiny hands on a growth forumla. They mistake one of the worms to be able to make the formula and capture him.

23 "The Black Christmas Syndrome" Duane Capizzi Michael Goguen December 12, 1998 25
It's up to MIB to save Christmas when Drekk kidnaps Santa Claus.

24 "The Supermen in Black Syndrome" Steve Roberts Nathan Chew January 16, 1999 23
The Tomassitron Matter Amplifier grants Jay, Kay and Elle super powers as well as three alien criminals, leading to a super showdown.

25 "The Star System Syndrome" Greg Weisman Christopher Dozois January 23, 1999 24
Jay and Kay head to Hollywood to investigate the disappearances of alien actors.

26 "The Blackguard Syndrome" Jon Weisman
Greg Weisman]]
Nathan Chew February 6, 1999 26
Alpha and Dak, Jeeb's brother, take over MIB's Blackguard satellite. Jay and Kay blast into space to stop them before they destroy MIB with it.

Season 3

# Title Writer(s) Director Original airdate Code
27 "The Worm-Guy Guy Syndrome" Duane Capizzi Jane Wu Soriano October 2, 1999 302
Two Kalifadik law enforcement officials begin punishing the guilty on Earth, using teleportation guns to send them to an alien prison. As MIB tries to stop them, Jay and one of the worms pass through each in mid-teleportation and slowly turn into each other.

28 "The Cold Sweat Syndrome" Steve Melching Bryan Andrews October 9, 1999 303
Merged together, Alpha and Dak find themselves in Antarctica where a powerful alien spaceship lies buried. It's up to Jay, Kay, Jeebs and the worms to stop them from using it.

29 "The Puppy Love Syndrome" Thomas Pugsley & Greg Klein]] Christopher Berkeley October 23, 1999 301
Frank the Pug meets an alien named Veronica and falls in love. But what he doesn't know is that Veronica works for Javkor, who is out to steal MIB's most powerful weapons

30 "The Lost Continent Syndrome" Dean Stefan Christopher Berkeley November 6, 1999 307
Jay and Kay have to stop alien terrorist Quintoon's plans to raise the legendary Atlantis continent.

31 "The Way Out West Syndrome" Tony Schilacci Nathan Chew November 13, 1999 305
When MIB fails to stop a Metaphite that threatens Phoenix, Jay and Kay have to travel back in time to the wild west to find the Metaphite's then vulnerable cocoon. Unfortunately, a Vexron living in that time is determined to make sure that they don't succeed.

32 "The Mine, Mine, Mine Syndrome" Tony Reitano Darwyn Cooke November 20, 1999 306
The Bug Queen herself has come to Earth and is hiding in hotel, waiting for her eggs to be able to hatch and take over. Making things more difficult for MIB is the presence of the Emperor Worm, who happens to be staying in the exact same hotel as the Bugs.

33 "The Bye-Bye Worm Syndrome" Alexx Van Dyne Vincenzo Trippetti December 4, 1999 311
When Zed orders the worms to be sent back to their home after another mishap, Jay does whatever he can to prove their innocence.

34 "The Lights Out Syndrome" Nick DuBois Bryan Andrews January 15, 2000 304
Kay is blinded by a Darkon ray and will need Jay's help to stop the Darkons from creating a permanent eclipse.

35 "The Out to Pasture Syndrome" Dean Stefan Darwyn Cooke January 22, 2000 308
Zed surprises everyone when he decides it's time to retire. Jay gets partnered with Elle since Kay is chosen to be the new head of MIB. As Zed is neuralyzed and embarks on a life of fishing in Long Island, Alpha returns more powerful than ever.

36 "The Sardines and Ice Cream Syndrome" Tony Sommo Christopher Berkeley February 5, 2000 309
Jay accidentally swallows an alien egg and becomes pregnant. Meanwhile, the Fmeks are shrinking everything in sight.

37 "The I Want My Mummy Syndrome" Steve Melching Bryan Andrews March 4, 2000 313
Jay and Kay have to contend with a recently awakened Hyperian, which is dressed like an ancient Egyptian Mummy.

38 "The Baby Kay Syndrome" Barry Hawkins Vincenzo Trippetti March 25, 2000 314
The Stellairian leader comes to Earth for peace talks and Jay and Kay have to watch over his daughter, Kima. When she is kidnapped by Frostifarians, her age regressing hypo-spray breaks loose. Now as Kima grows older, Kay begins turning into a baby.

39 "The Bad Doggie Syndrome" Marsha Griffin Darwyn Cooke April 8, 2000 312
Jay and Kay are moving fast to stop the take over of Earth by the Tunstons, whose king is hiding out in Frank the Pug's body.

40 "The "J" is for James Syndrome" Dean Stefan Jane Wu Soriano May 20, 2000 315
Jay's destructive joyride in the LTD causes him to be thrown out of MIB. Now, Jay is neuralyzed and back in the NYPD... just as the Bugs attack again.

Season 4

# Title Writer(s) Director Original airdate Code
41 "The Musical Chairs Syndrome" Dean Steffan Curt Walstead September 16, 2000 405
Changes abound at MIB as Dr. Zeeltor takes over in the lab for Elle, who has become a field agent and gotten partnered with an alien named Agent X. As these new changes set in, MIB has to stop New York from being devoured by a Barooga.

42 "The Spectacle Syndrome" Marsha Griddin Chuck Drost September 23, 2000 403
Jay and Kay have to rescue the worms from an alien world similar to Ancient Rome.

43 "The Back to School Syndrome" Len Uhley Michael Goguen September 30, 2000 404
Jay poses as a high school student to protect an alien prince from alien terrorists.

44 "The Opening Gambit Syndrome" Steven Melching Chris Dozois October 7, 2000 406
Thirty years ago, an Ixion named Vangus came to Earth and was stopped by an MIB agent. Now when Vangus returns, MIB seeks answers from the agent that stopped him: Alpha.

45 "The Future's So Bright Syndrome" Thomas Pugsley & Greg Klein]] Chris Dozois October 21, 2000 401
During pursuit of a large criminal Worm, Jay gets sent to the future and finds that the Worms rule all of Earth.

46 "The Loose Ball Foul Syndrome" Alexx Van Dyne Chris Berkeley April 14, 2001 407
The Fmeks are back and trying to take over a tiny planet that resembles a baseball. To make matters worse, Kay is on the tiny planet and things are getting very hot.

47 "The Hots for Jay Syndrome" Muchael Edens Chuck Drost April 21, 2001 410
After eating some alien food, Jay gains the ability to throw fire. But this new power will have serious consequences if he keeps using it.

48 "The Circus Parade Syndrome" Julia Lewald Curt Walstead April 38, 2001 409
A member of a witness protection program for aliens is on the run from an intergalactic gang called The Association when they discover he's on Earth.

49 "The Virtual Crossfire Syndrome" Dean Stefan Chuck Drost May 5, 2001 408
Jay gets a low score on MIB's new virtual reality training test and the embarrassment eventually forces him to try again. But this time the game goes haywire and the dangers Jay faces become deadly.

50 "The Breaking News Syndrome" Marsha Griddin Curt Walstead May 12, 2001 411
An alien TV crew comes to Earth to film MIB agents on the job, just as Drekk returns to cause trouble.

Note: This episode is no longer shown in America due to the ending taking place at the top of the World Trade Center and having eerie similarities to the events of 9/11. There is a scene where X and Drekk fall from top of Tower 2, there is a scene where Drekk fires fire balls on top of Tower 2 causing explosions and J stating that his brilliant plan to save the day was called "code 911".

51 "The Zero to Superhero Syndrome" Baz Hawkins Curt Walstead May 26, 2001 402
A super-hero calling himself Cosmosis emerges to defend the city from evil, but he's really an alien looking to put his powers to good use. However, MIB feels his new profession could attract trouble for Earth, so they try to lure him out using Jay as bait.

52 "The Endgame Syndrome, Part 1" Dean Stefan Chris Berkeley June 23, 2001 412
Alpha, Vangus and the Ixions return to Earth, working together to threaten all life on the planet. With invasion imminent, Zed decides to reveal MIB's existence to the world.

53 "The Endgame Syndrome, Part 2" Dean Stefan Chuck Drost June 30, 2001 413
With MIB having success in coordinating resistance against the invasion, the Ixions plan to unleash a weapon that will kill everyone on Earth. Jay and Kay will fight Alpha and Vangus in the final battle for humanity.